SeedPacket adds a .seed() method onto IEnumerable for quickly seeding data. Similar to a LINQ extension, it populates lists with realistic data. Ex: var mylist = new List<Item>().Seed().
It is easy to use, with a customizable, and powerful rules engine that keys off the datatype or interface, and...
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FAST N SMALL. Covert an Excel File (.xls and .xlsx) to object oriented IEnumerator based on class that matches the same name as the columns. No need of interop or any other reference. See website for sourcecode!

NQuery is a relational query engine that allows executing a SELECT query against in-memory objects. It can
use arrays, data sets, data tables or any other custom data source. NQuery is completely extensible so
that you can add custom functions, aggregates, constants and parameters.